Improve docs

Author: lunny

options/locale/locale_en-US.ini

@@ -729,7 +729,7 @@ migrate.permission_denied = You are not allowed to import local repositories.
 migrate.invalid_local_path = "The local path is invalid. It does not exist or is not a directory."
 migrate.failed = Migration failed: %v
 migrate.lfs_mirror_unsupported = Mirroring LFS objects is not supported - use 'git lfs fetch --all' and 'git lfs push --all' instead.
-migrate.migrate_items_options = Authentication is needed to migrate items from a service that supports them.
+migrate.migrate_items_options = Access Token is required to migrate additional items
 migrated_from = Migrated from <a href="%[1]s">%[2]s</a>
 migrated_from_fake = Migrated From %[1]s
 migrate.migrate = Migrate From %s

templates/repo/migrate/github.tmpl

@@ -22,6 +22,7 @@
 					<div class="inline field {{if .Err_Auth}}error{{end}}">
 						<label for="auth_token">{{.i18n.Tr "access_token"}}</label>
 						<input id="auth_token" name="auth_token" value="{{.auth_token}}" {{if not .auth_token}}data-need-clear="true"{{end}}>
+						<a target=”_blank” href="https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token">{{svg "octicon-question" 16}}</a>
 					</div>
 
 					<div class="inline field">

templates/repo/migrate/gitlab.tmpl

@@ -22,6 +22,7 @@
 					<div class="inline field {{if .Err_Auth}}error{{end}}">
 						<label for="auth_token">{{.i18n.Tr "access_token"}}</label>
 						<input id="auth_token" name="auth_token" value="{{.auth_token}}" {{if not .auth_token}}data-need-clear="true"{{end}}>
+						<a  target=”_blank” href="https://docs.gitlab.com/ee/user/profile/personal_access_tokens.html">{{svg "octicon-question" 16}}</a>
 					</div>
 
 					<div class="inline field">